We divide 51430 by 77
We're looking to find how many times 77 goes into 51430.

Going ahead to step 1:
5 divided by 77 is 0 with a remainder of 5.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Grab the next digit (1) from the dividend, add it to 5, then carry on: 51 / 77

Going ahead to step 2:
51 divided by 77 is 0 with a remainder of 51.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 51, we end up with 51.
Append the next digit (4) from the dividend to 51 and continue with: 514 / 77

On to step 3:
77 goes into 514 6 times with a remainder of 52.
Use 6 as the next digit of our solution. 
Result so far: 6.0
The remainder is 52 after subtracting 462 from 514.
Append the next digit (3) from the dividend to 52 and continue with: 523 / 77

Step 4:
The number 77 fits into 523 6 times, leaving a remainder of 61.
Record the quotient 6 as the next digit in the result. 
Result so far: 66.0
Subtracting 462 from 523 leaves us with 61.
Fetch the next digit (0) from the dividend, attach it to 61 and continue: 610 / 77

Moving on to step 5:
77 can be fit into 610 7 times, resulting in a remainder of 71.
Write down 7 as next digit of the result. 
Result so far: 667.0
Subtracting 539 from 610 leaves us with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Moving on to step 6:
77 can be fit into 710 9 times, resulting in a remainder of 17.
The number 9 becomes the next digit in our result. 
Result so far: 667.9
If we subtract 693 from 710, we get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Step 7:
77 goes into 170 2 times with a remainder of 16.
Record the quotient 2 as the next digit in the result. 
Result so far: 667.92
Deduct 154 from 170 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 8:
77 can be fit into 160 2 times, resulting in a remainder of 6.
Record the quotient 2 as the next digit in the result. 
Result so far: 667.922
If we take 154 away from 160, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

The final result is 667.922 with a remainder of 0.0006.